package colexercise;

import java.util.ArrayList;
import java.util.Collection;

public class ContainsRemove {
    public static void main(String[] args) {
        Collection<Point> c = new ArrayList<>();
        c.add(new Point(1,2));
        c.add(new Point(3,4));
        c.add(new Point(5,6));
        c.add(new Point(7,8));
        c.add(new Point(9,0));
        System.out.println(c);

        Point p = new Point(5,6);
        boolean contains = c.contains(p);
        System.out.println("集合是否包含点p:"+contains);

        boolean remove = c.remove(p);
        System.out.println("集合是否成功删除点p:" + remove);
        System.out.println(c);




//        Collection<Point> c = new ArrayList<>();
//        c.add(new Point(1,2));
//        c.add(new Point(3,4));
//        c.add(new Point(5,6));
//        c.add(new Point(7,8));
//        c.add(new Point(9,0));
//        System.out.println(c);
//
//        Point p = new Point(1,2);
//        boolean contains = c.contains(p);
//        System.out.println("集合是否包含点p:"+contains);
//
//        boolean remove = c.remove(p);
//        System.out.println("集合是否成功删除点p:" + remove);
//        System.out.println(c);
    }
}
